On average, listings lease in the $20's per square foot per year. The National City submarket is experiencing a a rise in rates. In the last 3 months, the median rate went up $8 per sqft per year. That's a 50% increase in rent.
Compared to the rest of the San Diego market, the National City region has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 5 listings have come on the market, which means new availabilities might be going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 5,570 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are close to 1 stories. Most buildings in this area were built in 1974 and are Class B.